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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 1 |
| 1940 | 1 |
| 1943 | 1 |
| 1946 | 1 |
| 1947 | 3 |
| 1948 | 1 |
| 1952 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1964 | 3 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1976 | 5 |
| 1977 | 2 |
| 1978 | 6 |
| 1979 | 3 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 8 |
| 1983 | 7 |
| 1984 | 5 |
| 1985 | 9 |
| 1986 | 7 |
| 1987 | 15 |
| 1988 | 37 |
| 1989 | 28 |
| 1990 | 43 |
| 1991 | 57 |
| 1992 | 44 |
| 1993 | 42 |
| 1994 | 71 |
| 1995 | 54 |
| 1996 | 75 |
| 1997 | 66 |
| 1998 | 85 |
| 1999 | 93 |
| 2000 | 106 |
| 2001 | 142 |
| 2002 | 151 |
| 2003 | 158 |
| 2004 | 200 |
| 2005 | 198 |
| 2006 | 159 |
| 2007 | 190 |
| 2008 | 168 |
| 2009 | 147 |
| 2010 | 183 |
| 2011 | 205 |
| 2012 | 201 |
| 2013 | 225 |
| 2014 | 381 |
| 2015 | 423 |
| 2016 | 425 |
| 2017 | 460 |
| 2018 | 460 |
| 2019 | 413 |
| 2020 | 457 |
| 2021 | 447 |
| 2022 | 401 |
| 2023 | 447 |
| 2024 | 186 |